This ship set sail and gradually disappeared where the sea ________ the sky.

We are glad to ________ you on the progress you have made.

—Is that Dec.21,2012 is the end of the world true?—Definitely not，but ________ must be paid to global climate change.

When he ________ the door，he found his keys were nowhere.

Jessica ought to stop work.She has a headache because she _______ too long.

—Did you watch the film Frozen on the Internet yesterday? — No, I _______my mother do housework all day.

--- Oh! You bumped me! --- I am sorry. But I       to catch the coming bus.

Large quantities of information＿＿＿since then as to how the program has worked.

 Jim who is now our English teacher once ________ as a manager in an international cooperation for 5 years.

–Why do you know so much detail about the accident? --I ________ a walk nearby when it happened.

–________ the ticket for the movie? --Yes. I bought it online by group buying.

Ever since the patients moved to the new hospital last year, they                better medical treatment.

—Are you free tomorrow? I was wondering if we could have lunch together. — No, I'm afraid not. I               John then.

 I had wanted to visit the gallery before I            Florence, but it' s closed on Sundays.

 — It has been so foggy recently. — Cheer up! The fog               to clear up from tomorrow.

--Where did you get the breaking news? --It _________ in the newspapers. 

--Is your dad at home? --No, he_________ out. 

I don’t understand why they don’t have the report. It _________  to them a week ago. 

--Is your uncle a pilot? --Yes. He _________ four days a week and has been to many places. 

–Have you handed in your schoolwork yet? --Yes, I have. I guess it ________ now.